/Engine/Plugins/Online/OnlineSubsystemSteam/Source/Public/OnlineAuthInterfaceUtilsSteam.h
A class for interfacing with SteamAuth outside of the SteamOSS.
class FOnlineAuthUtilsSteam
FOnSteamAuthRes...
OnAuthenticationResultDelegate
FOnSteamAuthRes...
OnAuthenticationResultWithCodeDelegate
FOnSteamAuthFai...
OverrideFailureDelegate
Attach to this delegate to control the behavior of the Steam authentication failure.